A website for Serious Education, promoting Aloha,
& the most FUN you can have in metal finishing
on this site FORUM
Etchants for Cu-Ag Alloys
I am studying the Cu-Ag alloys because in Peru there are historical jewelry made of this alloys. I want to know, what etchants can I use in my study?
Beatriz Sanchez Gamarra
The simplest etchant for copper and silver alloys is a mixture of ammonium hydroxide (NH4OH) and hydrogen peroxide (H2O2). Mix at about
1:1 ratio if you are using 3% peroxide. Mix at about 1:1:1 with water if you are using 30% peroxide.
This public forum has 60,000 threads. If you have a question in mind which seems off topic to this thread, you might prefer to Search the Site
Disclaimer: It's not possible to diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations may be deliberately harmful.
If you need a product/service, please check these Directories:
JobshopsCapital Equip. & Install'nChemicals & Consumables
Consult'g, Train'g, SoftwareEnvironmental ComplianceTesting Svcs. & Devices
How Google uses data when you visit this site.